All grown up: Stars turning 30 in 2011

December 2, 2011 12:06 PM

Photo: Getty Images

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Can you believe that Britney Spears is turning 30 years old today? It may seem like yesterday, but Spears was only 17 in 1999 when she burst onto the scene with her debut album "...Baby One More Time." The Queen of Pop has come a long way since then - she's released 7 albums, weathered a very public breakdown, and undergone several style transformations. Spears remains very much in the spotlight; in 2011, she toured in support of her most recent album, "Femme Fatale."

Click on to see which stars (including some other teen idols) also turned the big 3-0 in 2011. Some of them may surprise you! less

Can you believe that Britney Spears is turning 30 years old today? It may seem like yesterday, but Spears was only 17 in 1999 when she burst onto the scene with her debut album "...Baby One More Time." The ... more

Photo: Getty Images

Can you believe that Britney Spears is turning 30 years old today?... Photo-1853621.32926 - Houston Chronicle

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Britney's former beau Justin Timberlake celebrated his birthday on January 31 this year. We're glad to see Timberlake has seriously updated his style since the *NSYNC days!

Britney's former beau Justin Timberlake celebrated his birthday on January 31 this year. We're glad to see Timberlake has seriously updated his style since the *NSYNC days!

Natalie Portman was once best-known for her Star Wars fame, but has rocketed to the A-List since her teenage years. 2011 was a big year for Portman: Not only did she turn 30, she also took home an Academy Award for Best Actress and welcomed first child Aleph. less

Natalie Portman was once best-known for her Star Wars fame, but has rocketed to the A-List since her teenage years. 2011 was a big year for Portman: Not only did she turn 30, she also took home an Academy Award ... more

Photo: Jason Merritt, Getty Images

Natalie Portman was once best-known for her Star Wars fame, but has... Photo-1853576.32926 - Houston Chronicle

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Remember the Destiny's Child days? Now a solo megastar, Beyonce Knowles rang in her 30th birthday with an exciting baby announcement. Her "B'Day" was September 4.

Remember the Destiny's Child days? Now a solo megastar, Beyonce Knowles rang in her 30th birthday with an exciting baby announcement. Her "B'Day" was September 4.